Home / 118,389.42-163,374.69-64,674.66

Finding the Fourth Proportional to 118,389.42, 163,374.69 and 64,674.66

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Solution

The fourth proportional to 118,389.42, 163,374.69 and 64,674.66 is: 89,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,389.42 : 163,374.69 = 64,674.66 : x
  2. Step 2: Convert to fraction form
    118,389.42/163,374.69 = 64,674.66/x
  3. Step 3: Cross multiply
    118,389.42x = 163,374.69 × 64,674.66
  4. Step 4: Simplify right side
    118,389.42x = 10,566,202,528.36
  5. Step 5: Solve for x
    x = 10,566,202,528.36/118,389.42
  6. Step 6: Final answer
    x = 89,249.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.